4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Jihua Zhang

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Auto focus laser encoder having three light beams and a reflecti

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Laser interferometer system for straightness measurements

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
Patent

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Profile ID: LFUS-PAI-P-435003

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